rotor blade

American  

noun

Aeronautics.

1. one airfoil of the rotor of a rotary-wing aircraft.

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Etymology

Origin of rotor blade

First recorded in 1930–35

Example Sentences

The Black Hawk helicopter was ready for take off – its rotor blades slicing through the air in the deadening heat of the Colombian Amazon.

From BBC

The Bell’s main rotor blade chopped up the Skycrane’s right main wheel and tire assembly.

From Los Angeles Times

Later in the week, as the winds died down, almost anything with wings or rotor blades that could help save the beleaguered city began to fill the sky above Los Angeles.

From Los Angeles Times

A helicopter crashed after the hose it used to suck water from a lake broke free and got tangled in the rotor blades.

From Los Angeles Times

A gripping device set the log down on the creek bed while the whirling rotor blades kicked up dust.

From Los Angeles Times